A 21-book set of the Kaiketsu Zorori series, fun stories for children. - Series Name: Kaiketsu Zorori - Number of Volumes: 21 - Author: Yutaka Hara - Target Age: Children - Language: Japanese Titles: Kaiketsu Zorori's Terrifying Mansion Kaiketsu Zorori and the Apprentice Magician Kaiketsu Zorori and the Great Pirate Kaiketsu Zorori's Terrifying Monster Excursion Kaiketsu Zorori Loves Mama! Kaiketsu Zorori and the Giant Monster Kaiketsu Zorori and the Mysterious Alien Kaiketsu Zorori's Terrifying Present Kaiketsu Zorori's Riddle Operation Kaiketsu Zorori's Terrifying Soccer Kaiketsu Zorori Gets Caught!! Kaiketsu Zorori's Ghost Operation Kaiketsu Zorori's Ninja Operation Kaiketsu Zorori the Millionaire Kaiketsu Zorori's Video Game Crisis Kaiketsu Zorori and the Magic Room Kaiketsu Zorori Gets Eaten!! Kaiketsu Zorori the Great Thief Kaiketsu Zorori's Mysterious Treasure Operation: Part 1 Kaiketsu Zorori's Mysterious Treasure Operation: Part 2 Kaiketsu Zorori, Ishishi and Noshishi in a Pinch!!